Bis(4-methylphenyl)-4h-1,2,4-triazole-3-thiol CAS 101285-56-7
| CAS No. | 101285-56-7 |
| Molecular Formula | C16H15N3S |
| Molecular Weight | 281.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Bis(4-methylphenyl)-4h-1,2,4-triazole-3-thiol (CAS 101285-56-7), molecular formula C16H15N3S and molecular weight 281.38 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, Bis(4-methylphenyl)-4h-1,2,4-triazole-3-thiol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 281.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H15N3S |
| Molecular Weight | 281.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Bis Standards
- 5-(3-Methylphenyl)-4-(4-methylphenyl)-4h-1,2,4-triazole-3-thiol (CAS 332072-93-2)
- 5-Benzyl-4-(3-methylphenyl)-4H-1,2,4-triazol-3-yl hydrosulfide (CAS 76151-23-0)
- 5-Benzyl-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl hydrosulfide (CAS 21477-50-9)
- 1-Methyl-2-[(3-methylphenyl)sulfanyl]-1H-indole-3-carbaldehyde (CAS 338416-56-1)
- 4-{[4-(3-methylphenyl)piperazin-1-yl]methyl}aniline (CAS 1016711-90-2)
- 1-(4-methylphenyl)-3-(1,2,3,4-tetrahydroisoquinolin-5-yl)urea (CAS 1157571-15-7)
- 3-(3-Methylphenyl)-1-(1,2,3,4-tetrahydroisoquinolin-5-yl)urea (CAS 1157922-56-9)
- 2-[(4-Methylphenyl)formamido]-3-phenylprop-2-enoic acid (CAS 109448-26-2)
Recommended Standards
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- Pramipexole Di-Amide (CAS 1346617-47-7)
- 5-Phenyl-4-(1-phenylethyl)-4h-1,2,4-triazole-3-thiol (CAS 1038324-19-4)
- 2-(4-(1H-Pyrazol-1-yl)benzyl)isothiazol-3(2H)-one (CAS 918108-08-4)
- Dimethylpentafluorophenylsilane (CAS 13888-77-2)
- 1-(4-Bromophenyl)-3-phenyl-1H-pyrazol-4-ol (CAS 1202029-04-6)
- Drotaverine Impurity 10 (CAS CATO-C4X-243510)
- 5-(Bromomethyl)-2-ethoxy-1,3-difluorobenzene (CAS 1017779-38-2)
- (S)-6-Methylpiperidin-3-one (CAS 1315000-17-9)
- (2R,5R)-Methyl 1,5-dimethylpyrrolidine-2-carboxylate (CAS 38228-17-0)
- 5-Chloro-2-(morpholine-4-carbonyl)phenylboronic acid (CAS 1072946-43-0)
- 5,5-Dimethyl-4-(2-(propan-2-ylidene)hydrazinyl)oxazol-2(5H)-one (CAS 160155-04-4)
- Peptide 441 (CAS CATO-CPTD788441)
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